Intramolecular and Lattice Melting in n-Alkane Monolayers: An Analog of Melting in Lipid Bilayers

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Intramolecular and Lattice Melting in n-Alkane Monolayers: An Analog of Melting in Lipid Bilayers

Please use this identifier to cite or link to this item: http://hdl.handle.net/10355/8765

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Title: Intramolecular and Lattice Melting in n-Alkane Monolayers: An Analog of Melting in Lipid Bilayers
Author: Hansen, Flemming Y.; Herwig, K. W.; Matthies, Blake E. (Blake Edward), 1968-; Taub, Haskell
Date: 1999-09-20
Publisher: American Physical Society
Citation: Phys. Rev. Lett. 83, 2362-2365 (1999)
Abstract: Molecular dynamics (MD) simulations and neutron diffraction experiments have been performed on n-dotriacontane ( n-C32D66) monolayers adsorbed on a graphite basal- plane surface. The diffraction experiments show little change in the crystalline monolayer structure up to a temperature of ∼350K above which a large thermal expansion and decrease in coherence length occurs. The MD simulations provide evidence that this behavior is due to a phase transition in the monolayer in which intramolecular and translational order are lost simultaneously. This melting transition is qualitatively similar to the gel-to-fluid transition found in bilayer lipid membranes.
URI: http://hdl.handle.net/10355/8765
ISSN: 0031-9007

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